Hydrogen is an important resource not only for space transportation, but also for next-generation energy plan, thus inducing technology developments to provide safe and secure handling of hydrogen gas. This paper reports a development and field demonstration of a fiber-optic based hydrogen leak detector.会議情報: 第59回宇宙科学技術連合講演会（2015年10月7日-9日. かごしま県民交流センター), 鹿児島市, 鹿児島形態: カラー図版ありPhysical characteristics: Original contains color illustrations